Which is not an element of the efferent division of the peripheral nervous system? a. parasympathetic neurons b. sympathetic neurons c. somatic motor neurons d. sensory neurons

D. Sensory Neurons

Explanation:

Peripheral nervous systemconsists of all the neurons and ganglia within the body, outside the central nervous system. It is divided into:

Somatic system consists of two types of nerves:

Autonomic nervous system consists of:

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.